NAMM 2013: Ernie Ball Announces M-Steel Electric Guitar Strings By Guitar World Staff published 28 January 13
Sterling by Music Man Introduces Sunburst Finish for John Petrucci Signature Model By Damian Fanelli published 9 May 12 Sterling by Music Man has introduced a new three-tone sunburst finish for its John Petrucci signature model, the JP100.
Video: John Petrucci Plays, Discusses Ernie Ball Cobalt Electric Guitar Strings By Damian Fanelli published 21 March 12
Video: Ernie Ball Announces New Cobalt Strings with $5,000 Prize Package By Guitar World Staff published 1 March 12